Download Class 7 Science Study App | Radiation and Greenhouse Effect MCQ e-Book PDF
Class 7 Science MCQs (Grade 7) From Textbook

Class 7 Science MCQs – Certification Test 243

Radiation and Greenhouse Effect MCQ (Question 243) – Study App & e-Book Download

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MCQ 243: Greenhouse gases effect on earth's atmosphere is increased by:

  1. CFCs (chlorofluorocarbons)
  2. air conditioners
  3. perfumes
  4. burning fossil fuels

Class 7 Science MCQ App & e-Book – Radiation and Greenhouse Effect Admission Tests

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